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 A179692 Numbers of the form p^9*q where p and q are distinct primes. 6
 1536, 2560, 3584, 5632, 6656, 8704, 9728, 11776, 14848, 15872, 18944, 20992, 22016, 24064, 27136, 30208, 31232, 34304, 36352, 37376, 39366, 40448, 42496, 45568, 49664, 51712, 52736, 54784, 55808, 57856, 65024, 67072, 70144, 71168, 76288, 77312, 80384, 83456 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS T. D. Noe, Table of n, a(n) for n = 1..1000 Will Nicholes, Prime Signatures FORMULA Solutions of the equation tau(n^9)=41*tau(n). - Paolo P. Lava, Mar 18 2013 MAPLE A179692:=proc(q) local n; for n from 1 to q do if tau(n^9)=41*tau(n) then print(n); fi; od; end: A179692(10^10);  # Paolo P. Lava, Mar 18 2013 MATHEMATICA f[n_]:=Sort[Last/@FactorInteger[n]]=={1, 9}; Select[Range[90000], f] PROG (PARI) list(lim)=my(v=List(), t); forprime(p=2, (lim\2)^(1/9), t=p^9; forprime(q=2, lim\t, if(p==q, next); listput(v, t*q))); vecsort(Vec(v)) \\ Charles R Greathouse IV, Jul 24 2011 CROSSREFS Cf. A006881, A007304, A065036, A085986, A085987, A092759, A178739, A179642, A179643, A179644, A179645, A179646, A179664, A179665, A179666, A179667, A179668, A179669, A179670, A179671, A179672, A179688, A179689, A179690, A179691. Sequence in context: A088362 A045123 A252419 * A105923 A229507 A203981 Adjacent sequences:  A179689 A179690 A179691 * A179693 A179694 A179695 KEYWORD nonn AUTHOR Vladimir Joseph Stephan Orlovsky, Jul 24 2010 STATUS approved

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Last modified September 22 12:42 EDT 2019. Contains 327307 sequences. (Running on oeis4.)